--- configure.orig	2013-03-10 17:43:53.684182000 +0100
+++ configure	2013-03-10 17:47:47.157190568 +0100
@@ -1614,7 +1614,7 @@
     if $_cc -v 2>&1 | grep -q "clang"; then
       echocheck "$_cc version"
       cc_vendor=clang
-      cc_version=$($_cc -dumpversion 2>&1)
+      cc_version=$($_cc -v 2>&1 | head -n 1 | cut -d ' ' -f 4)
       res_comment="experimental support only"
       echores "clang $cc_version"
       break
--- Makefile.orig	2013-03-10 17:44:21.865184000 +0100
+++ Makefile	2013-03-10 17:47:47.248184374 +0100
@@ -792,7 +792,7 @@
 
 # rebuild version.h each time the working copy is updated
 version.h: version.sh $(wildcard .svn/entries .git/logs/HEAD)
-	./$< `$(CC) -dumpversion`
+	./$< `$(CC) -v 2>&1 | head -n 1 | cut -d ' ' -f 4`
 
 %$(EXESUF): %.c
 	$(CC) $(CC_DEPFLAGS) $(CFLAGS) -o $@ $^